Home / 276,289,056.83-381,451,001.41-175,874,172.53

Finding the Fourth Proportional to 276,289,056.83, 381,451,001.41 and 175,874,172.53

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Solution

The fourth proportional to 276,289,056.83, 381,451,001.41 and 175,874,172.53 is: 242,815,911.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,289,056.83 : 381,451,001.41 = 175,874,172.53 : x
  2. Step 2: Convert to fraction form
    276,289,056.83/381,451,001.41 = 175,874,172.53/x
  3. Step 3: Cross multiply
    276,289,056.83x = 381,451,001.41 × 175,874,172.53
  4. Step 4: Simplify right side
    276,289,056.83x = 67,087,379,234,183,768
  5. Step 5: Solve for x
    x = 67,087,379,234,183,768/276,289,056.83
  6. Step 6: Final answer
    x = 242,815,911.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.